If there’s one name you need to keep an eye on in 2014, it’s ER Motorcycles (short for ‘Espresso Racer’). Founded in 2009 by Blaž Šuštaršič, the Slovenian workshop has steadily been producing noteworthy customs—such as their BMW R80 ‘Mobster,’ which featured in our Top 5 BMW R-series list. This striking Yamaha XV750 is no…